Chemistry - Redox Reactions Question with Solution | TestHub

ChemistryRedox ReactionsDetermination of Oxidation StateEasy2 minPYQ_2020

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What is the change in oxidation number of carbon in the following reaction?
${CH}_{4} (g) + 4 {Cl}_{2} (g) \to {CCl}_{4} + 4 HCl (g)$ NEET 2020 (Phase 1)

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Answer:

Solution:

${CH}_{4} (g) + 4 {Cl}_{2} (g) \to {CCl}_{4} (l) + 4 HCl (g)$
Oxidation number of carbon in ${CH}_{4}$
$x + 4 \times (+ 1) = 0$
x=-4
Oxidation number of carbon in ${CCl}_{4}$
$x + 4 \times (- 1) = 0$
x=+4
Change in oxidation number is $- 4$ to $+ 4$

Stream:NEETSubject:ChemistryTopic:Redox ReactionsSubtopic:Determination of Oxidation State

⏱ 2mℹ️ Source: PYQ_2020

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